Komatsu Galeo PC138US-8, Shop Manual

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SEN01977-02 00 Index and foreword
6
PC138US, USLC-8
Checking cab tipping stopper ...................................................................................................... 52
Adjusting mirrors ......................................................................................................................... 52
Testing and adjusting, Part 2 SEN02459-00
Special functions of machine monitor.......................................................................................... 2
Testing and adjusting, Part 3 SEN02460-01
Handling voltage circuit of engine controller................................................................................ 2
Preparation work for troubleshooting of electrical system........................................................... 3
Procedure for testing diodes ....................................................................................................... 8
Pm Clinic service......................................................................................................................... 9
40 Troubleshooting
Failure code table and fuse locations SEN02461-01
Failure code table........................................................................................................................ 2
Fuse locations ............................................................................................................................. 6
General information on troubleshooting SEN02462-00
Points to remember when troubleshooting.................................................................................. 2
Sequence of events in troubleshooting ....................................................................................... 3
Checks before troubleshooting.................................................................................................... 4
Classification and procedures for troubleshooting ...................................................................... 5
Information in troubleshooting table ............................................................................................ 6
Phenomena looking like troubles and troubleshooting Nos. ....................................................... 8
Wiring table for connector pin numbers....................................................................................... 11
T-adapter box and T-adapter table .............................................................................................. 44
Troubleshooting by failure code, Part 1 SEN02463-01
Failure code [989L00] Engine controller lock caution 1............................................................... 3
Failure code [989M00] Engine controller lock caution 2.............................................................. 3
Failure code [989N00] Engine controller lock caution 3 .............................................................. 4
Failure code [AB00KE] Charge voltage low ................................................................................ 6
Failure code [B@BAZG] Eng oil press. low................................................................................. 8
Failure code [B@BAZK] Eng oil level low ................................................................................... 8
Failure code [B@BCNS] Eng coolant overheat........................................................................... 9
Failure code [B@HANS] Hydr oil overheat ................................................................................. 9
Failure code [CA111] ECM critical internal failure ....................................................................... 10
Failure code [CA115] Eng. Ne and Bkup speed sensor error ..................................................... 13
Failure code [CA122] Charge air press sensor high error........................................................... 14
Failure code [CA123] Charge air press sensor low error ............................................................ 16
Failure code [CA131] Throttle sensor high error ......................................................................... 18
Failure code [CA132] Throttle sensor low error........................................................................... 20
Failure code [CA144] Coolant temp. sensor high error ............................................................... 21
Failure code [CA145] Coolant temp. sensor low error ................................................................ 22
Failure code [CA153] Charge air temp. sensor high error........................................................... 23
Failure code [CA154] Charge air temp. sensor low error ............................................................ 24
Failure code [CA187] Sensor sup. 2 volt. low error..................................................................... 24
Failure code [CA221] Ambient air press. sensor high error ........................................................ 26
Failure code [CA222] Ambient air press. sensor low error.......................................................... 28
Failure code [CA227] Sensor sup. 2 volt. high error ................................................................... 30
Failure code [CA234] Eng. overspeed ........................................................................................ 32
Failure code [CA238] Ne speed sensor sup. volt. error .............................................................. 34
Failure code [CA271] IMV/PCV1 short error ............................................................................... 36
Failure code [CA272] IMV/PCV1 open error ............................................................................... 37
Failure code [CA322] Injector #1 (L #1) system open/short error ............................................... 38
Failure code [CA324] Injector #3 (L/B #3) system open/short error ............................................ 40
Failure code [CA331] Injector #2 (L/B #2) system open/short error ............................................ 42
Failure code [CA332] Injector #4 (L/B #4) system open/short error ............................................ 44
Troubleshooting by failure code, Part 2 SEN02464-01
Failure code [CA351] Inj. drive circuit error ................................................................................. 3